EP1466113A1 - Steuerung eines antriebsstranges - Google Patents
Steuerung eines antriebsstrangesInfo
- Publication number
- EP1466113A1 EP1466113A1 EP03704396A EP03704396A EP1466113A1 EP 1466113 A1 EP1466113 A1 EP 1466113A1 EP 03704396 A EP03704396 A EP 03704396A EP 03704396 A EP03704396 A EP 03704396A EP 1466113 A1 EP1466113 A1 EP 1466113A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- power
- transmission
- pressure
- power take
- shift clutch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0246—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by initiating reverse gearshift
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
- B60W30/1886—Controlling power supply to auxiliary devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2253—Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/30—Auxiliary equipments
- B60W2710/305—Auxiliary equipments target power to auxiliaries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/14—Trucks; Load vehicles, Busses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
- B60Y2200/415—Wheel loaders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H2059/145—Inputs being a function of torque or torque demand being a function of power demand of auxiliary devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2342/00—Calibrating
- F16H2342/04—Calibrating engagement of friction elements
- F16H2342/044—Torque transmitting capability
Definitions
- the invention relates to a control of a drive train, in particular for wheel loaders with the features of the preamble of claim 1.
- Wheel loaders are often equipped with a shovel, which is connected to the power shift transmission of the wheel loader via a power take-off (PTO).
- PTO power take-off
- B. for filling and emptying or "when working on the wall” is operated.
- Conventional powershift transmissions of wheel loaders keep the powershift clutch closed when filling and emptying the bucket or "when working on the wall", so that a large part of the drive power is burned in the torque converter.
- the disadvantage here is that there is no longer any propulsive force on the wheels of the wheel loader because the brakes are active and, in addition, no gear is shifted when the power shift clutches are switched off.
- PCT / EP 95/01520 a device for reducing the pressure of a power shift clutch is known, which are used in drives for work machines.
- a pressure reducing valve is used in this prior art to cause a power shift clutch in the transmission to slip, so that the working machine only runs slowly and z. B. can be moved exactly to a certain position.
- a link to the requirements of one The PCT / EP 95/01520 does not show wheel loaders when filling / emptying the bucket or "when working on the wall".
- the object of the invention is to provide a drive train control system that supports a wheel loader when filling and emptying the "when working on the wall" and avoids the disadvantages of a lack of propulsive force on the wheels.
- a drive train control system in particular for wheel loaders, has a pressure-actuated brake and a transmission which is operated via a torque converter.
- the transmission contains at least one forward and / or reverse gear that can be actuated via a power shift clutch and a power take-off.
- the pressure of the connected load clutch for forward or reverse gear is increased to
- the main advantages of the control of the drive train according to the invention result in driving full drive power of the engine on the torque converter of the wheel loader and when filling and emptying the bucket or "when working on the wall" the drive power of the engine on the power take-off, so that heating of power is avoided in the torque converter.
- the control of the powertrain according to the invention are smaller Cooler possible.
- the power of the engine can be made smaller for the same vehicle size and the lifting or breaking power of the wheel loader can be increased.
- the load distribution on the transmission and power take-off (PTO) is automatically optimized.
- DE-PS 35 10 803 describes a pressure reducing valve which enables a coupling and modulating function.
- the pressure reducing valve has the task of starting a work vehicle quickly or suddenly, so that, for. B. a shovel loader can be jerked into the ground.
- This known pressure reduction and its control, by means of which the opposite is to be achieved, cannot be compared with the present field of work or application.
- the transmission ratio is changed or the powershift clutch is engaged for the forward gear, so that the driving force of the wheel loader is maintained as best as possible.
- Invention is reduced when a predetermined value of the power output from the transmission to the power take-off on the brake is reduced, so that the driving force of the wheel loader is maintained as best as possible.
- a control system of a drive train of a wheel loader has a pressure-operated brake and a transmission that is operated via a torque converter.
- the transmission contains a plurality of forward and / or reverse gears which can be actuated via a power shift clutch and a power take-off to which a blade is articulated.
- the pressure of the engaged powershift clutch for forward or reverse gear is reduced to a residual level, the powershift clutch for 1 forward gear is engaged, and the pressure on the brake is reduced so that the best possible Driving force of the wheel loader is maintained.
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10201838A DE10201838A1 (de) | 2002-01-18 | 2002-01-18 | Steuerung |
DE10201838 | 2002-01-18 | ||
PCT/EP2003/000317 WO2003060353A1 (de) | 2002-01-18 | 2003-01-15 | Steuerung eines antriebsstranges |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1466113A1 true EP1466113A1 (de) | 2004-10-13 |
EP1466113B1 EP1466113B1 (de) | 2005-06-29 |
Family
ID=7712503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03704396A Expired - Lifetime EP1466113B1 (de) | 2002-01-18 | 2003-01-15 | Steuerung eines antriebsstranges |
Country Status (7)
Country | Link |
---|---|
US (1) | US7073645B2 (de) |
EP (1) | EP1466113B1 (de) |
JP (1) | JP2005530960A (de) |
AT (1) | ATE298853T1 (de) |
DE (2) | DE10201838A1 (de) |
ES (1) | ES2243887T3 (de) |
WO (1) | WO2003060353A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10304918A1 (de) * | 2003-02-07 | 2004-08-19 | Zf Friedrichshafen Ag | Antriebsstrang für ein Mobilfahrzeug |
US10173483B2 (en) * | 2014-11-25 | 2019-01-08 | TorrX, Inc. | Automatic electronic air pump |
DE102018200834B4 (de) * | 2018-01-19 | 2023-03-30 | Zf Friedrichshafen Ag | Verfahren zum Regeln eines Lastschaltgetriebes |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187497A (en) * | 1962-05-04 | 1965-06-08 | Hough Co Frank | Hydrostatic arrangement for tractor loaders |
US3424029A (en) | 1966-08-01 | 1969-01-28 | Caterpillar Tractor Co | Power transmission |
JPS585338B2 (ja) | 1975-04-14 | 1983-01-31 | 株式会社小松製作所 | クツサクツミコミシヤリヨウ |
JPH0214693Y2 (de) | 1984-09-29 | 1990-04-20 | ||
US4776751A (en) * | 1987-08-19 | 1988-10-11 | Deere & Company | Crowd control system for a loader |
IT1240557B (it) * | 1990-09-14 | 1993-12-17 | Prodea S R L | Sistema elettronico di controllo per una trasmissione idrocinetica di tipo power-shift per un autoveicolo. |
US5040648A (en) * | 1990-11-05 | 1991-08-20 | Caterpillar Inc. | Electrohydraulic control device for a drive train of a vehicle |
US5456333A (en) * | 1993-03-25 | 1995-10-10 | Caterpillar Inc. | Electrohydraulic control device for a drive train of a vehicle |
DE59409215D1 (de) | 1993-07-02 | 2000-04-20 | Knorr Bremse Ag | Bremsscheibe für scheibenbremsen |
US5613581A (en) * | 1996-01-11 | 1997-03-25 | Caterpillar Inc. | Electrohydraulic control device for a drive train of a machine |
KR100446686B1 (ko) * | 1997-05-31 | 2004-10-14 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 자동 변속 장치 및 방법 |
-
2002
- 2002-01-18 DE DE10201838A patent/DE10201838A1/de not_active Withdrawn
-
2003
- 2003-01-15 EP EP03704396A patent/EP1466113B1/de not_active Expired - Lifetime
- 2003-01-15 AT AT03704396T patent/ATE298853T1/de not_active IP Right Cessation
- 2003-01-15 DE DE50300705T patent/DE50300705D1/de not_active Expired - Lifetime
- 2003-01-15 ES ES03704396T patent/ES2243887T3/es not_active Expired - Lifetime
- 2003-01-15 US US10/500,512 patent/US7073645B2/en not_active Expired - Fee Related
- 2003-01-15 JP JP2003560410A patent/JP2005530960A/ja not_active Withdrawn
- 2003-01-15 WO PCT/EP2003/000317 patent/WO2003060353A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO03060353A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20050103595A1 (en) | 2005-05-19 |
DE50300705D1 (de) | 2005-08-04 |
ES2243887T3 (es) | 2005-12-01 |
JP2005530960A (ja) | 2005-10-13 |
EP1466113B1 (de) | 2005-06-29 |
WO2003060353A1 (de) | 2003-07-24 |
ATE298853T1 (de) | 2005-07-15 |
DE10201838A1 (de) | 2003-07-31 |
US7073645B2 (en) | 2006-07-11 |
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